# An Innovative Conversational Agent (Quitbot) for Smoking Cessation

> **NCT04308759** · PHASE3 · ACTIVE_NOT_RECRUITING · sponsor: **Fred Hutchinson Cancer Center** · enrollment: 1647 (actual)

## Conditions studied

- Cigarette Smoking-Related Carcinoma

## Interventions

- **OTHER:** Experimental Smoking Cessation Program
- **OTHER:** Control Smoking Cessation Program

## Key facts

- **NCT ID:** NCT04308759
- **Lead sponsor:** Fred Hutchinson Cancer Center
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-07-24
- **Primary completion:** 2025-05-01
- **Final completion:** 2026-05-01
- **Target enrollment:** 1647 (ACTUAL)
- **Last updated:** 2025-05-28

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04308759

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04308759, "An Innovative Conversational Agent (Quitbot) for Smoking Cessation". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04308759. Licensed CC0.

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